Zobrazeno 1 - 10
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pro vyhledávání: '"Liu KJ Ray"'
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2006, Iss 1, p 097676 (2006)
The recently proposed space-frequency-coded MIMO-OFDM systems have promised considerable performance improvement over single-antenna systems. However, in order to make multiantenna OFDM systems an attractive choice for practical applications, impleme
Externí odkaz:
https://doaj.org/article/ecece133fbf54142993fa00b90edfcd5
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2005, Iss 3, p 237098 (2005)
We analyze the performance of ultra-wideband (UWB) multiple-input multiple-output (MIMO) systems employing various modulation and multiple access (MA) schemes including time-hopping (TH) binary pulse-position modulation (BPPM), TH binary phase-shift
Externí odkaz:
https://doaj.org/article/ce8a8b99a9d047c393dbcab8230157cb
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2005, Iss 2, p 901858 (2005)
We present and evaluate the performance of a reduced complexity variation to the source encoding assisted multiple access (SEAMA) protocol for integrating voice and data over a wireless network. This protocol, denoted as slow movable-boundary SEAMA (
Externí odkaz:
https://doaj.org/article/58add4d4fbdc42ea89f519fe0f788a5d
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2004, Iss 14, p 237435 (2004)
Digital fingerprinting of multimedia data involves embedding information in the content signal and offers protection to the digital rights of the content by allowing illegitimate usage of the content to be identified by authorized parties. One potent
Externí odkaz:
https://doaj.org/article/4cc67ea8397847e498ada6160ee1e3d2
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2004, Iss 5, p 329696 (2004)
Traditional joint power control and beamforming achieve the targeted signal-to-interference-noise ratio (SINR) at the receivers by assuming the knowledge of the measurements of channel parameters and SINR. Blind beamforming is an effective technique
Externí odkaz:
https://doaj.org/article/dbb9bf0348054587aefbdfba066a374d
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2002, Iss 5, p 269105 (2002)
A subspace based approach for the blind multiple signal separation and recovery for MIMO systems is proposed in this paper. Instead of using the statistics of the received signal, the proposed algorithm exploits the received signal structure and the
Externí odkaz:
https://doaj.org/article/85aed681327b4d90b16ff2ff85675737
Autor:
Liu KJ Ray, Wang Xiaowen
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2002, Iss 8, p 704508 (2002)
Orthogonal frequency division multiplexing (OFDM) is an effective technique for the future 3G communications because of its great immunity to impulse noise and intersymbol interference. The channel estimation is a crucial aspect in the design of OFDM
Externí odkaz:
https://doaj.org/article/be444553d72940609dea9816d308d333
Autor:
Liu KJ Ray, Koc Ut-Va
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2001, Iss 3, p 291206 (2001)
Alternative fully DCT-based video codec architectures have been proposed in the past to address the shortcomings of the conventional hybrid motion compensated DCT video codec structures traditionally chosen as the basis of implementation of standard-
Externí odkaz:
https://doaj.org/article/c5f25b93717e457f8fe925464918b6ab
Autor:
Liu KJ Ray, Hsu Pohsiang
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2001, Iss 2, p 181359 (2001)
A key enabling technology for the proliferation of multimedia PC's is the availability of fast video codecs, which are the basic building blocks of many new multimedia applications. Since most industrial video coding standards (e.g., MPEG1, MPEG2, H.
Externí odkaz:
https://doaj.org/article/2b9d9b33cc864b37a4032e488b32a3d3
Autor:
Liu KJ Ray
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2001, Iss 1, p 831814 (2001)
Externí odkaz:
https://doaj.org/article/4dfece8f66154f87b74906266944b20f